CN219983759U - Fire control unit suitable for battery package - Google Patents
Fire control unit suitable for battery package Download PDFInfo
- Publication number
- CN219983759U CN219983759U CN202321669685.XU CN202321669685U CN219983759U CN 219983759 U CN219983759 U CN 219983759U CN 202321669685 U CN202321669685 U CN 202321669685U CN 219983759 U CN219983759 U CN 219983759U
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- Prior art keywords
- interface
- battery
- pipeline
- fire
- puncture
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- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 230000004888 barrier function Effects 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 15
- 239000000178 monomer Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 238000012983 electrochemical energy storage Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to the technical field of electrochemical fire-fighting devices, and in particular discloses a fire-fighting device suitable for a battery pack, which comprises: the main pipeline is used for transporting fire extinguishing agents; one end of the shunt pipeline is communicated with the main pipeline, and the other end of the shunt pipeline is respectively communicated with a plurality of battery monomers; the blocking diaphragm is arranged at the communication position between the main pipeline and the shunt pipeline, and the puncture part can make telescopic movement to puncture the corresponding blocking diaphragm so as to guide the fire extinguishing agent to flow into the shunt pipeline; the temperature sensing probe is arranged in each battery cell; the controller puncture part is electrically connected with the temperature sensing probe, and can transmit an electric signal to drive the puncture part to puncture the barrier membrane when the temperature sensing probe confirms that the battery unit fires. By using the utility model, the battery monomer with uncontrolled temperature can be subjected to targeted fire extinguishment, and the fire extinguishment efficiency is improved; and avoid fire control unit to start just to spray the drawback of all battery packs, prevent to the battery monomer in other battery packs that do not run away from causing the damage.
Description
Technical Field
The utility model relates to the technical field of electrochemical fire-fighting devices, in particular to a fire-fighting device suitable for a battery pack.
Background
Battery pack (i.e., battery pack): typically consisting of a plurality of cells, which may be lithium ion batteries, nickel hydrogen batteries, lead acid batteries, etc. The battery cells are connected together by connectors to form a battery pack.
Currently, a plurality of groups of battery packs are stored in an electrochemical energy storage cabin, and a fire protection system of the electrochemical energy storage cabin adopts the traditional fire protection design of a building, namely: when any group of battery packs in the electrochemical energy storage cabin are in thermal runaway, the fire extinguishing agent is released through a spray head and a pipe network which are arranged at the top of the battery cabin; the spray head sprays the fire extinguishing agent to cover the whole electrochemical energy storage cabin, and the fire extinguishing purpose is achieved by completely submerging the whole electrochemical energy storage cabin.
In the existing fire-fighting device, the battery pack generating thermal runaway cannot be subjected to targeted fire extinguishing, and the fire extinguishing efficiency is low; not only causes the waste of fire extinguishing agent, but also can damage the normal battery pack in the electrochemical energy storage cabin.
Disclosure of Invention
In view of the above problems, the present utility model provides a fire fighting device suitable for a battery pack, and aims to provide a fire fighting device which can pertinently extinguish a battery cell with uncontrolled temperature in the battery pack, improve fire extinguishing efficiency and reduce damage to a normal battery cell.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
provided is a fire fighting device suitable for a battery pack, including: a main pipe for transporting fire extinguishing agent; one end of each of the split pipelines is communicated with the main pipeline, and the other end of each of the split pipelines is respectively communicated with a plurality of battery monomers; the blocking diaphragm is arranged at the communication part between the main pipeline and the shunt pipeline and used for blocking the fire extinguishing agent from flowing into the shunt pipeline; the puncture parts are in one-to-one correspondence with the barrier films and can make telescopic movement to puncture the corresponding barrier films so as to guide the fire extinguishing agent to flow into the diversion pipeline; the temperature sensing probe is arranged in each battery cell; the controller is electrically connected with the puncture part and the temperature sensing probe and can transmit an electric signal to drive the puncture part to puncture the barrier membrane when the temperature sensing probe confirms that the battery monomer fires.
Further, the device also comprises a plurality of four-way valves, wherein the four-way valves are provided with a first interface, a second interface, a third interface and a fourth interface which are mutually communicated; the first interface and the second interface are used for being connected with the main pipeline in series, the third interface is communicated with the shunt pipeline, and the fourth interface is used for installing the puncture part.
Further, the puncture member includes: the electric telescopic rod and the puncture needle are arranged in the fourth interface, and the puncture needle is arranged on a piston rod of the electric telescopic rod; and the blocking membrane is arranged in the third interface, and the third interface and the fourth interface are positioned on the same straight line.
Further, an internal hexagonal plug screw for press fitting the blocking diaphragm is also arranged in the third interface.
Further, a sealing gasket is installed between the hexagonal plug and the barrier membrane.
Further, the device also comprises a connector, one end of the connector is in threaded connection with the four-way valve, and the other end of the connector is used for connecting a main pipeline/a split pipeline.
Further, an annular groove for installing a sealing rubber ring is formed in the outer wall of the connector.
Further, spray heads for spraying fire extinguishing agents are arranged at the end parts of the diversion pipelines.
Further, the barrier membrane is made of stainless steel materials.
The beneficial effects of the utility model are as follows: according to the utility model, the spraying trend of the fire extinguishing agent can be accurately controlled, the battery monomer with uncontrolled temperature can be subjected to targeted fire extinguishing, and the fire extinguishing efficiency is improved; and avoid fire control unit to start just to spray the drawback of all battery packs, prevent to the battery monomer in other battery packs that do not run away from causing the damage.
Drawings
Fig. 1 is a schematic diagram of connection between a main pipe and a split pipe according to the present utility model.
Fig. 2 is a schematic installation diagram of the four-way valve, the electric telescopic rod and the connector provided by the utility model.
Fig. 3 is an enlarged partial schematic view of the portion a in fig. 2.
Fig. 4 is a schematic installation diagram of a four-way valve and a plug provided by the utility model.
1, a main pipeline; 11. a transfer pump; 2. a shunt pipeline; 21. a spray head; 3. a barrier membrane; 4. an electric telescopic rod; 41. a main body lever; 42. a piston rod; 43. a puncture needle; 5. a four-way valve; 51. a first interface; 52. a second interface; 53. a third interface; 54. a fourth interface; 6. a hexagonal socket; 7. a sealing gasket; 8. a plug; 9. a connector; 91. an annular groove.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, an embodiment of the present utility model discloses a fire fighting device adapted to a battery pack, comprising: a main pipe 1 for transporting fire extinguishing agents; it will be appreciated that the main pipe 1 is connected with a delivery pump 11, the delivery pump 11 is connected with a storage tank (not shown in the figure) for storing fire extinguishing agent, and the fire extinguishing agent is continuously pressurized and input into the main pipe 1 through the delivery pump 11.
Referring to fig. 1, the device further comprises a plurality of diversion pipelines 2, wherein one ends of the diversion pipelines 2 are communicated with the main pipeline 1, and the other ends of the diversion pipelines are respectively communicated with a plurality of battery monomers; a blocking membrane 3 is arranged between the main pipeline 1 and the shunt pipeline 2 and is used for blocking the fire extinguishing agent from flowing into the shunt pipeline 2; the puncture part can make telescopic movement to puncture the barrier membrane 3 so as to guide the fire extinguishing agent to flow into the diversion pipeline 2; a temperature sensing probe (not shown) installed in each battery cell; the controller (such as a computer, PCL and a vehicle-mounted terminal, and not shown in the figure) is electrically connected with the puncture part and the temperature sensing probe, and can transmit an electric signal to drive the puncture part to puncture the barrier membrane 3 when the temperature sensing probe confirms that the battery unit fires.
When the battery is particularly used, the actual temperature in each battery cell is obtained through a plurality of temperature sensing probes, and is converted into an electric signal to be transmitted into a controller; of course, a temperature threshold is set in the controller, when the temperature obtained by the temperature probe reaches above the temperature threshold, the controller confirms that the battery cell fires, and then the controller transmits an electric signal to the puncture part corresponding to the battery cell monitored by the temperature probe, so as to drive the puncture part to puncture the barrier membrane 3. The bypass pipeline 2 is communicated with the main pipeline 1, and fire extinguishing agent is input into the bypass pipeline 2, so that the battery monomer with uncontrolled temperature is subjected to fire extinguishing.
According to the utility model, the spraying trend of the fire extinguishing agent can be accurately controlled, the battery monomer with uncontrolled temperature can be subjected to targeted fire extinguishing, and the fire extinguishing efficiency is improved; and avoid fire control unit to start just to spray the drawback of all battery packs, prevent to the battery monomer in other battery packs that do not run away from causing the damage.
Referring to fig. 1 and 2, the device further comprises a plurality of four-way valves 5, and of course, the pressure born by the four-way valves 5 is 4 times greater than the design pressure of the fire extinguishing agent filled in the main pipeline 1, so that the four valves are not damaged when the fire extinguishing agent flows under pressure in the main pipeline 1.
The four-way valve 5 is provided with a first interface 51, a second interface 52, a third interface 53 and a fourth interface 54 which are communicated with each other; the first interface 51 and the second interface 52 are used for connecting the main pipeline 1 in series, the third interface 53 is communicated with the shunt pipeline 2, and the fourth interface 54 is used for installing puncture parts. The four-way valves 5 are arranged on the main pipeline in series, so that the pipeline arrangement is simple and regular, and the batch installation of the system is facilitated.
Specifically, the puncture member includes: the electric telescopic rod 4 and the puncture needle 43, the main body rod 41 of the electric telescopic rod 4 is fixedly arranged in the fourth interface 54, and the puncture needle 43 is arranged on the piston rod 42 of the electric telescopic rod 4. In this embodiment, the blocking diaphragm 3 is made of stainless steel, and of course, the pressure that can be borne by the blocking diaphragm 3 should be greater than 2 times of the design pressure of the fire extinguishing agent filled in the main pipe 1, so that the fire extinguishing agent in the main pipe 1 can not be passively opened when flowing under pressure.
Referring to fig. 3, the barrier membrane 3 is installed in the third port 53, and the third port 53 and the fourth port 54 are on the same line; the electric telescopic rod 4 can drive the puncture needle 43 to penetrate through the blocking membrane 3 when making extension movement along the straight line, and the electric telescopic rod 4 can drive the puncture needle 43 to withdraw from the blocking membrane 3 when making contraction movement along the straight line and communicate the shunt pipeline 2 with the main pipeline 1.
According to the utility model, the barrier membrane 3 can be penetrated through one telescopic movement of the electric telescopic rod 4, the electric telescopic rod 4 is simple in movement and can be quickly started after receiving the starting electric signal, and the penetrating operation is high in reliability.
In the concrete installation, an inner hexagonal screw plug 6 for pressing the barrier membrane 3 is also arranged in the third interface 53 and used for pressing the barrier membrane 3; further, a sealing gasket 7 is installed between the hexagonal plug 6 and the barrier membrane 3, the sealing gasket 7 is made of rubber, and the barrier membrane 3 is sealed by pressing the sealing gasket 7 to be in interference fit with the inner wall surface of the third port 53. Of course, through holes for letting down the puncture needle 43 and allowing the fire extinguishing agent to circulate are formed in both the hexagon socket 6 and the sealing gasket 7.
Further, the device also comprises a connector 9, one end of the connector 9 is in threaded connection with the four-way valve 5, the other end of the connector 9 is used for connecting the main pipeline 1/the split pipeline 2, and an annular groove 91 for installing a sealing rubber ring is formed in the outer wall of the connector 9.
During installation, the main pipeline/split pipeline 2 is in interference sleeve joint on the outer side of the connector 9, the sealing rubber ring is in interference contact with the inner wall of the main pipeline 1/split pipeline 2, and the sealing ring is used for sealing the main pipeline 1/split pipeline 2. Realize through setting up connector 9 that cross valve 5 can dismantle with trunk line 1/reposition of redundant personnel pipeline 2 and be connected, be convenient for dismouting and later maintenance.
Further, spray heads 21 for spraying fire extinguishing agent are installed at the ends of the diverting pipes 2.
Referring to fig. 1 and 4, at the end of the main pipe 1, one of the first port 51 and the second port 52 of the four-way valve 5 at the end may be connected to the main pipe 1, and the other may be provided with a plug 8 to form a closed pipe system.
It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. A fire fighting device adapted for use with a battery pack, comprising:
a main pipe (1) for transporting fire extinguishing agents;
one end of each of the shunt pipelines (2) is communicated with the main pipeline (1), and the other end of each of the shunt pipelines is respectively communicated with a plurality of battery monomers;
a blocking diaphragm (3) which is arranged at the communication part between the main pipeline (1) and the shunt pipeline (2) and is used for blocking the fire extinguishing agent from flowing into the shunt pipeline (2);
the puncture parts are in one-to-one correspondence with the barrier films (3) and can make telescopic movement to puncture the corresponding barrier films (3) so as to guide the fire extinguishing agent to flow into the diversion pipeline (2);
the temperature sensing probe is arranged in each battery cell;
and the controller is electrically connected with the puncture part and the temperature sensing probe and can transmit an electric signal to drive the puncture part to puncture the barrier membrane (3) when the temperature sensing probe confirms that the battery unit fires.
2. The fire protection device suitable for the battery pack according to claim 1, further comprising a plurality of four-way valves (5), wherein a first interface (51), a second interface (52), a third interface (53) and a fourth interface (54) which are communicated with each other are arranged on the four-way valves (5);
the first interface (51) and the second interface (52) are used for being connected in series with the main pipeline (1), the third interface (53) is communicated with the split pipeline (2), and the fourth interface (54) is used for installing the puncture part;
the blocking membrane (3) is arranged in the third interface (53), and the third interface (53) and the fourth interface (54) are positioned on the same straight line.
3. The fire protection device for a battery pack according to claim 2, wherein the penetration member comprises: the electric telescopic device comprises an electric telescopic rod (4) and a puncture needle (43), wherein a main body rod (41) of the electric telescopic rod (4) is fixedly arranged in the fourth interface (54), and the puncture needle (43) is arranged on a piston rod (42) of the electric telescopic rod (4).
4. A fire protection device for a battery pack according to claim 3, characterized in that a hexagonal plug (6) for press fitting the barrier membrane (3) is also mounted in the third interface (53).
5. The fire fighting device for battery packs according to claim 4, characterized in that a sealing gasket (7) is installed between the hexagon socket screw plug (6) and the barrier diaphragm (3).
6. The fire fighting device suitable for battery packs according to claim 2, further comprising a connector (9), wherein one end of the connector (9) is in threaded connection with the four-way valve (5), and the other end is used for connecting the main pipeline (1)/the shunt pipeline (2).
7. The fire fighting device suitable for battery packs according to claim 6, characterized in that an annular groove (91) for mounting a sealing rubber ring is provided on the outer wall of the connector (9).
8. Fire protection device for battery packs according to claim 1, characterized in that spray heads (21) for spraying the extinguishing agent are mounted at the ends of the shunt tubes (2).
9. Fire protection device for battery packs according to claim 1, characterized in that the barrier membrane (3) is made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321669685.XU CN219983759U (en) | 2023-06-28 | 2023-06-28 | Fire control unit suitable for battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321669685.XU CN219983759U (en) | 2023-06-28 | 2023-06-28 | Fire control unit suitable for battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219983759U true CN219983759U (en) | 2023-11-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321669685.XU Active CN219983759U (en) | 2023-06-28 | 2023-06-28 | Fire control unit suitable for battery package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219983759U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117244197A (en) * | 2023-11-17 | 2023-12-19 | 杭州高特电子设备股份有限公司 | Energy storage battery system with mechanical fire-fighting trigger |
| CN117254144A (en) * | 2023-11-17 | 2023-12-19 | 杭州高特电子设备股份有限公司 | Energy storage battery system with electric fire control trigger |
-
2023
- 2023-06-28 CN CN202321669685.XU patent/CN219983759U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117244197A (en) * | 2023-11-17 | 2023-12-19 | 杭州高特电子设备股份有限公司 | Energy storage battery system with mechanical fire-fighting trigger |
| CN117254144A (en) * | 2023-11-17 | 2023-12-19 | 杭州高特电子设备股份有限公司 | Energy storage battery system with electric fire control trigger |
| CN117254144B (en) * | 2023-11-17 | 2024-02-09 | 杭州高特电子设备股份有限公司 | Energy storage battery system with electric fire control trigger |
| CN117244197B (en) * | 2023-11-17 | 2024-03-12 | 杭州高特电子设备股份有限公司 | Energy storage battery system with mechanical fire-fighting trigger |
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